passive sonar | system
| Systems | |
| fin. | Системы |
| system | |
| law | строй |
| Makarov. | структура; комплекс; конструкция; конфигурация; оборудование; подход |
|
passive sonar : 14 phrases in 6 subjects |
| Acoustics | 3 |
| Makarov | 3 |
| Military | 3 |
| Nautical | 1 |
| Navy | 1 |
| Technology | 3 |